/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package BrisolWeb;

import brisollogic.Logic;
import brisollogic.Product;
import brisollogic.User;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author monster
 */
public class UpdateProduct extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException{
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        Logic l = new Logic();
        HttpSession session = request.getSession(true);
        try
        {
            User usr = (User) session.getAttribute("User");
            if(usr != null)
            {
                if(usr.getStatus().equals(User.Status.Admin))
                {
                    int pid = Integer.parseInt(request.getParameter("id"));
                    String mName = request.getParameter("modelname").toString();
                    String specs = request.getParameter("specs").toString();
                    String pic = request.getParameter("picture").toString();
                    Product p = l.getProductById(pid);
                    if(mName != null)
                    {
                        p.setModelName(mName);
                    }
                    if(specs != null)
                    {
                        p.setSpecs(specs);
                    }
                    if(pic != null)
                    {
                        p.setPictureURL(pic);
                    }
                    l.updateProduct(p);


                    out.println("<html>");
                    out.println("<head>");
                    out.println("<title>Servlet UpdateProduct</title>");
                    out.println("</head>");
                    out.println("<body>");
                    out.println("<h1>Servlet UpdateProduct at " + request.getContextPath () + "</h1>");
                    out.println("</body>");
                    out.println("</html>");
                }
                else
                {
                    response.sendRedirect("LoginError.html");
                }
            }
            else
            {
                response.sendRedirect("LoginError.html");
            }            
        }
        catch(SQLException e)
        {
            out.println("<html>");
            out.println("<head>");
            out.println("<title>SQL FEJL</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1> SQL FEJL </h1>");
            out.println("<p>" + " Der er sket en sql fejl " + e.getMessage() + "</p>");
            out.println("</body>");
            out.println("</html>");   
        }
        catch(ClassNotFoundException e)
        {
            out.println("<html>");
            out.println("<head>");
            out.println("<title>SQL FEJL</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1> SQL DRIVER FEJL </h1>");
            out.println("<p>" + " Der er sket en sql fejl " + e.getMessage() + "</p>");
            out.println("</body>");
            out.println("</html>");
        }
        finally
        {
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
